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Home Prevalence and distribution of hypodontia in a Turkish orthodontic patient population: results...

Prevalence and distribution of hypodontia in a Turkish orthodontic patient population: results from a large academic cohort

Authors:

  • A. Topkara
    Private Practice, Alanya, Antalya, Turkey
  • Z. Sari
    Department of Orthodontics, Faculty of Dentistry, Akdeniz University, Antalya, Turkey

ABSTRACT


Aim

Purpose of this study is to investigate the prevalence and distribution of congenitally missing permanent
teeth (CMT) in a Turkish orthodontic patient population.

Methods

Panoramic radiographs, intraoral
photographs and dental casts of 2761 patients (females 1677, males 1084) aged from 9 to 46 who underwent orthodontic
treatment at Selcuk University Department of Orthodontics from 1990 to 2005 were retrospectively reviewed for CMT. A
comprehensive chart review was conducted in all subjects. Patient and treatment-related data were registered in a computer
database for comparative analysis.

Results

When missing third molar data were included, prevalence of CMT in the
overall population was 30.64 with no significant differences between male and female patients (p=0.546). On the
other hand, prevalence of CMT excluding third molars was 6.77 with a significantly higher prevalence in females
compared to male patients (7.63 vs. 5.44, p=0.030). The most commonly congenitally missing tooth types in
decreasing order were the third molars followed by maxillary lateral incisors and mandibular second premolars. The majority
of missing third molars were located in the maxilla (55.7) with no significant gender differences (p=0.334).
58.4 of CMT excluding third molars in females were located in the maxilla compared to only 40.8 in males
(p=0.001). In both gender groups, majority of CMT excluding third molars were located in the anterior segment (55.6
and 58.4 in male and female patients respectively, p=0.713).

Conclusion

The most commonly congenitally
missing tooth type is third molars followed by maxillary lateral incisors and mandibular second premolars in our population.
Although there were no gender differences in prevalence and anatomical distribution of missing third molars, CMT excluding
third molars was significantly more prevalent in females with predominantly maxillary distribution in our
population.

PLUMX METRICS

Publication date:

Jun /2011

Keywords:

agenesis, congenitally missing teeth, hypodontia, prevalence, third molars

Issue:

Vol.12 – n.2/2011

Page:

123 – 127

Publisher:

Ariesdue

Cite:


Harvard: A. Topkara, Z. Sari (2011) "Prevalence and distribution of hypodontia in a Turkish orthodontic patient population: results from a large academic cohort", European Journal of Paediatric Dentistry, 12(2), pp123-127. doi:
Vancouver: A. Topkara, Z. Sari. Prevalence and distribution of hypodontia in a Turkish orthodontic patient population: results from a large academic cohort. European Journal of Paediatric Dentistry [Internet]. 2011Jun.1 [cited 2023Mar.21];12(2):123-127. Available from: https://www.ejpd.eu/abstract-pubmed/prevalence-and-distribution-of-hypodontia-in-a-turkish-orthodontic-patient-population-results-from-a-large-academic-cohort/
MLA: A. Topkara, Z. Sari Prevalence and distribution of hypodontia in a Turkish orthodontic patient population: results from a large academic cohort. European Journal of Paediatric Dentistry. 2011;12(2):123-127

Copyright (c) 2021 Ariesdue

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

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